class WildcardMatcher

def self.match?(wildcard_string, candidate_string)
  return false unless wildcard_string && candidate_string
  regex_string = "a#{wildcard_string.downcase}a".split("*")
                                                .map { |p| Regexp.quote(p) }
                                                .join(".*").gsub(/^a|a$/, "")
  regex = /^#{regex_string}$/
  regex.match?(candidate_string.downcase)
end